<template>
	<view>
        <!--轮播图的区域-->
        <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
            <swiper-item v-for="(item, i) in swiperList" :key="i">
                    <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
                    <image :src="item.image_src"></image>
                </navigator>
            </swiper-item>
        </swiper>
        
        <!-- 分类导航区域 -->
        <view class="nav-list">
           <view class="nav-item" v-for="(item, i) in navList" :key="i">
             <image :src="item.image_src" class="nav-img"></image>
           </view>
        </view>
        
        <!-- 楼层区域 -->
        <!-- 楼层容器 -->
        <view class="floor-list">
          <!-- 楼层 item 项 -->
          <view class="floor-item" v-for="(item, i) in floorList" :key="i">
            <!-- 楼层标题 -->
            <image :src="item.floor_title.image_src" class="floor-title"></image>
            <!-- 楼层的图片区 -->
            <view class="floor-img-box">
              <!-- 左侧大图片的盒子 -->
              <navigator class="left-img-box" :url="item.product_list[0].url">
                <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
              </navigator>
              <!-- 右侧 4 个小图片的盒子 -->
              <view class="right-img-box">
                <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
                  <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
                </navigator>
              </view>
            </view>
          </view>
        </view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//这是轮播图的数据列表
                swiperList: [],
                // 分类导航的数据列表
                navList:[],
                // 楼层的数据
                floorList: []
			};
		},
        onLoad() {
            //调用方法，获取轮播图的数据
            this.getSwiperList()
            this.getNavList()
            this.getFloorList()
        },
        methods:{
            async getSwiperList() {
                const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
                //请求失败
                if(res.meta.status !== 200) return uni.$showMsg()
                 
                this.swiperList = res.message
                uni.$showMsg("数据加载成功！")              
            },
            async getNavList() {
                  const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
                  if (res.meta.status !== 200) return uni.$showMsg()
                  this.navList = res.message
            },
            // nav-item 项被点击时候的事件处理函数
            navClickHandler(item) {
              // 判断点击的是哪个 nav
              if (item.name === '分类') {
                uni.switchTab({
                  url: '/pages/cate/cate'
                })
              }
            },
            // 获取首页楼层数据的方法
             async getFloorList() {
                  const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
                  if (res.meta.status !== 200) return uni.$showMsg()
                  
                  // 对数据进行处理
                  res.message.forEach(floor => {
                      floor.product_list.forEach(prod => {
                        prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
                      })
                    })
                  this.floorList = res.message            
                },
        }
	}
</script>

<style lang="scss">
swiper {
 height: 330rpx;

 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}

.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;

  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}

.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
</style>
    